.shop_cart_big_div {
    width: 1200px;
    position: absolute;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
}
.goOrder {
    width: 1200px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
}
.order_but {
    position: absolute;
    right: 0;
}